<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
  "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd" [
]>

<!-- This Source Code Form is subject to the terms of the Mozilla Public
   - License, v. 2.0. If a copy of the MPL was not distributed with this
   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title></title>
  <style type="text/css">
  body {
    background: #eee;
    color: black;
  }
  
  img {
    text-align: center;
    position: absolute;
    margin: auto;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    opacity: 0.2;
  }
  
  @media(-moz-dark-theme) {
    body {
      background: #2E3B41;
      color: #eee;
    }
  }
  </style>
</head>

<body>
  <img src="about:logo" alt=""/>
</body>
</html>
